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ISO 18265: "Metallic materials — Conversion of hardness values" (2013) ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)
Type 4 Ha-To in firing position. The Type 4 Ha-To was conceived as a mobile fire support platform in late 1943. It made use of the already existing Type 3 300 mm heavy mortar mounted on a modified chassis that was based on the one used for the Type 4 Chi-To medium tank and on the Type 4 Chi-So armored medium tracked carrier.
Proposed by Swedish engineer Johan August Brinell in 1900, it was the first widely used and standardised hardness test in engineering and metallurgy.The large size of indentation and possible damage to test-piece limits its usefulness.
A Vickers hardness tester. The Vickers hardness test was developed in 1921 by Robert L. Smith and George E. Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials. [1]
MM2 may refer to: MM2, a class of force fields; see force field (chemistry) MM2 (MMS), an interface utilized by the Multimedia Messaging Service standard; Mega Man 2, a 1988 video game for the NES; Mega Man II, a 1991 video game for the Game Boy; Midtown Madness 2, a 2000 video game for the PC; Motocross Madness 2, a 2000 video game for the PC
All of the "major" pieces of wreckage from the collision between a Black Hawk helicopter and American Airlines Flight 5342 have been cleared from the Potomac River, officials said.
1 hectare (ha) [41] 17,000 m 2: Approximate area of a cricket field (theoretical limits: 6,402 m 2 to 21,273 m 2) [42] 22,100 m 2: Area of a Manhattan city block: 53,000 m 2: Base of the Great Pyramid of Giza [43] [44] 10 5 195,000 m 2: Irish National Botanic Gardens [45] 490,000 m 2: Vatican City [46] 600,000 m 2: Total floor area of the ...
For small livestock there are corresponding conversions. Depending on the quality of the Alp or Alm a full Stoß may require between 1/2 ha and 2 ha. The Stoß is divided into feet or Füße. A full Stoß is the pasture required by a cow, and equals 4 Füße. Bulls, calves, etc., are a fraction of that, e.g. a one-year old bull needs 2 Füße.